RECORDS OF MEETINGS. 497 



Krester, F. G. Keyes, L. V. King (research discontinued; appropria- 

 tion returned), C. A. Kraus, E. Kremers, R. A. Millikan, R. S. Minor, 

 C. L. Norton, F. Palmer, Jr., J. A. Parkhurst, H. M. Randall, T. W. 

 Richards, F. K. Richtmyer, F. A. Saunders, W. O. Sawtelle, A. W. 

 Smith, B. J. Spence (research finished), J. Stieglitz, L. T. E. Thomp- 

 son, O. Tugman, F. W. Very, A. G. Webster, D. L. Webster, F. G. 

 Wick, R. W. Wood. 



A paper by Henry x\. Babcock, the Specific Heat of Ammonia, will 

 be published shortly with aid from the Rumford Fund in the forth- 

 coming volume of the Proceedings of the Academy, Vol. 55. 



Toward the expense of publishing this paper the Committee on 

 April 14 voted to appropriate a sum not exceeding four hundred and 

 fifty dollars. 



On April 14 it was voted for the first time, unanimously, and on 

 May 12 for the second time, unanimously, to recommend to the 

 Academy the award of the Rumford Premium to Irving Langmuir 

 for his researches in thermionic and allied phenomena. 



Charles R. Cross, Chairman. 



May 12, 1920. 



Report of the C. M. Warren Committee. 



The C. M. Warren Committee begs to submit the following report: 

 The Committee had at its disposal at the time of the last report to 

 the iVacdemy $2,821.50. In December, 1919, Dr. J. H. Ellis returned 

 to the Committee the sum of $111.61 representing the balance of a 

 grant made to him in November, 1917, which was not fully utilized. 

 On May 7, 1920, Professor G. H. Burrows returned the sum of $250 

 from the grant made to him in 1913, as he has found it impracticable 

 to carry on the investigations for which the grant was originally made. 

 In March, 1920, the Academy placed at the disposal of the Commit- 

 tee the sum of $2,500. 



During the year two grants have been made, both to Professor 

 Charles A. Kraus of Clark University, Worcester. The first was a 

 grant of $500 made in June, 1919, for the investigation of properties 

 of water at high temperatures. The second was a grant of $500 



